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Finding the Fourth Proportional to 36,086.96, 49,808.04 and 21,936.80

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Solution

The fourth proportional to 36,086.96, 49,808.04 and 21,936.80 is: 30,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,086.96 : 49,808.04 = 21,936.80 : x
  2. Step 2: Convert to fraction form
    36,086.96/49,808.04 = 21,936.80/x
  3. Step 3: Cross multiply
    36,086.96x = 49,808.04 × 21,936.80
  4. Step 4: Simplify right side
    36,086.96x = 1,092,629,011.87
  5. Step 5: Solve for x
    x = 1,092,629,011.87/36,086.96
  6. Step 6: Final answer
    x = 30,277.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.